00:00:00
(R: 2,6)
- x²-8x+12=0
(R:2,-4)
- x²+2x-8=0
(R:VAZIO)
- x²-5x+8=0
(R:3/2)
- 4x²+9=12x
(R:-3)
- 2x²=-12x-18
(R:-1,-2)
- x²+3x-6=-8
(R:2/5)
- 25x²=20x-4
(R:1)
- 4x²-x+1=x+3x²
(R:1,4)
- 4+x(x-4)=x